1N5523DE3

Overview

The Microchip Technology 1N5523DE3 is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 5.1 V with a tolerance of ±5%. The device operates within a power dissipation rating of 500 mW and maintains a maximum reverse leakage current of 2 µA at 2.5 V. Electrical characteristics include a Zener impedance of 26 Ohms measured at a test current of 5 mA, and a forward voltage drop of 1.1 V at 200 mA. The component supports an extended operating temperature range from -65 °C to +175 °C junction temperature.

Feature Summary

• Provides stable voltage reference capabilities through precise Zener breakdown characteristics.
• Supports high-temperature operation suitable for demanding industrial environments.
• Offers low leakage current performance to minimize standby power consumption.

Applications

• Voltage regulation in electronic circuits
• Overvoltage protection networks
• Reference voltage generation

Procurement Notes

Verify the specific suffix 'E3' indicates lead-free compliance when sourcing. Confirm package type availability as datasheets may list multiple options like DO-204AH or SMD variants. Ensure the manufacturer matches Microchip Technology to guarantee parameter accuracy. Cross-reference the full part number against official distributor catalogs to avoid generic equivalents that lack specified electrical tolerances.

Selection Notes

Select this component where a 5.1 V reference is required with moderate power handling. Consider the 5% tolerance if tighter precision is not critical. Evaluate the thermal environment to ensure operation remains within the -65 °C to +175 °C range. Compare the 500 mW dissipation limit against circuit load requirements to prevent overheating during continuous operation.

Part Context

This part belongs to the standard Zener diode family manufactured by Microchip Technology. It serves as a fundamental discrete semiconductor component for analog signal conditioning and power management tasks. The product line emphasizes reliability across automotive and industrial sectors, providing consistent performance for voltage clamping and reference applications in diverse electronic systems.

Replacement Considerations

Check for direct equivalents such as the 1N5523B series which shares similar electrical parameters. Verify pinout compatibility and package dimensions before substitution. Ensure replacement parts meet the same temperature and power ratings to maintain system integrity.